Sloths are identified by the number of long, prominent claws that they have on each front foot. There are both two-toed and three-toed sloths. All sloths are built for life in the treetops.

“With so few pygmy sloths left in the wild, it’s crucial they’re granted every protection under the law as soon as possible.” First identified as a distinct sloth species in 2001, pygmy three-toed ...